/*
 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */
/*
 * This file includes modifications of code found in the Apple XNU Kernel
 * and has been modifed for use in this Kext by Rick Macklem, May 2006.
 */
struct vnode;
struct uio;
struct ucred;
struct proc;
struct buf;
struct nfs_diskless;
struct sockaddr_in;
struct nfs_dlmount;
struct vnode;
struct nfsd;
struct mbuf;
struct file;
struct nfssvc_sock;
struct nfsmount;
struct socket;
struct nfsreq;
struct vattr;
struct nameidata;
struct nfsnode;
struct sillyrename;
struct componentname;
struct nfsd_srvargs;
struct nfsrv_descript;
struct nfs_fattr;
union nethostaddr;

#ifndef APPLEKEXT
/* nfs_bio.c */
int ncl_bioread(struct vnode *, struct uio *, int, struct ucred *, proc_t);
int ncl_biowrite(struct vnode *, struct uio *, int, struct ucred *);
int ncl_vinvalbuf(struct vnode *, int, struct ucred *, struct proc *,
		       int);
int ncl_asyncio(struct nfsbuf *, struct ucred *);
int ncl_doio(struct nfsbuf *, struct ucred *, proc_t);
int ncl_buf_write(struct nfsbuf *);
void ncl_buf_write_delayed(struct nfsbuf *, proc_t);
int ncl_buf_page_inval(vnode_t vp, off_t offset);
void ncl_buf_check_write_verifier(struct nfsnode *, struct nfsbuf *);

/* ncl_node.c */
void ncl_nhinit(void);
int ncl_nget(mount_t, vnode_t, struct componentname *, u_char *,
    int, struct nfsvattr *, u_int64_t *, int, struct nfsnode **);

/* ncl_vfsops.c */
int	ncl_fsinfo(struct nfsmount *, vnode_t, struct ucred *, proc_t p);
int	newnfs_mountroot(void);

/* ncl_vnops.c */
int	ncl_pathconfrpc(vnode_t, struct nfsv3_pathconf *, kauth_cred_t, proc_t);
void	ncl_pathconf_cache(struct nfsmount *, struct nfsv3_pathconf *);
int	ncl_getattr(vnode_t vp, struct nfs_vattr *nvap, struct ucred *cred, proc_t p);
int	ncl_readrpc(vnode_t, struct uio *, struct ucred *, proc_t);
int	ncl_writerpc(vnode_t, struct uio *, struct ucred *, proc_t, int *, u_int64_t *);
int	ncl_writerpcdirect(vnode_t, struct uio *, struct ucred *, proc_t);
int	ncl_commit(vnode_t vp, u_quad_t offset, u_int32_t count,
			struct ucred *cred, proc_t procp);
int	ncl_flushcommits(vnode_t, proc_t, int);
int	ncl_readlinkrpc(vnode_t, struct uio *, struct ucred *, proc_t);
int	ncl_readdirrpc(vnode_t, struct uio *, struct ucred *, proc_t);
int	ncl_readdirplusrpc(vnode_t, struct uio *, struct ucred *, proc_t);

/* nfs_boot.c */

/* nfs_kq.c */
int  ncl_kqfilter(void *);
void ncl_kqinit(void);

/* ncl_subs.c */
int ncl_init(struct vfsconf *);
void ncl_mbuf_init(void);
int ncl_getattrcache(vnode_t, struct nfs_vattr *);
int ncl_attrcachetimeout(vnode_t);

/* ncl_lock. */
int ncl_dolock(struct vnop_advlock_args *ap);
void ncl_getset_niothreads(int);


void start_nclio(void *);
#endif	/* !APPLEKEXT */

#define VN_KNOTE(vp, b) \
        KNOTE(&vp->v_selectinfo.vsi_selinfo.si_note, (b))
#define NFS_ISV3(v) \
	(VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
#define NFS_ISV4(v) \
	(VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV4)
#define NFS_ISV34(v) \
	(VFSTONFS((v)->v_mount)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4))

#define	NFS_NIOTHREADS	2	/* number of i/o threads */
